A black stripe would be what we refer to as a three wire. One output wire, & two small wires together in a connector. One is sense lead for regulator, other is exciting lead from ign. Many new or rebuilt replacement ones will have a third spade where the two wire connector hooks up to. It requires a different connector to get all three terminals. That one is to run a relay on other applications or a tachometer on some machines. There are two style of brush holders in those alternators. The early alternators has sliding brush and only had the two terminals, and the later alt had a swinging brush and those had the third connector which , like I said is normally not used on the tractors. The cheap part store alternators are the sliding brush style which the vibrations from the diesel engines cause those brush's to work in their holder and get a groove and thus stick.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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